factorise-25x square minus 64y square
Answers
Answered by
12
25x -64y
(5x)square - (8y)square
(5x - 8y)(5x + 8y)
(5x)square - (8y)square
(5x - 8y)(5x + 8y)
Answered by
14
ANSWER
========
25x² - 64y²
We know----
a² - b² = ( a + b ) ( a - b )
=> ( 5x )² - ( 8y )²
=> ( 5x + 8y ) ( 5x - 8y ) ANS
VERIFICATION
----------------------
( 5x + 8y ) ( 5x - 8y )
=> 5x ( 5x - 8y ) + 8y ( 5x - 8y )
=> 25x² - 40xy + 40xy - 64y²
=> 25x² - 64y²
( HENCE VERIFIED )
__________________________________
#BE BRAINLY
========
25x² - 64y²
We know----
a² - b² = ( a + b ) ( a - b )
=> ( 5x )² - ( 8y )²
=> ( 5x + 8y ) ( 5x - 8y ) ANS
VERIFICATION
----------------------
( 5x + 8y ) ( 5x - 8y )
=> 5x ( 5x - 8y ) + 8y ( 5x - 8y )
=> 25x² - 40xy + 40xy - 64y²
=> 25x² - 64y²
( HENCE VERIFIED )
__________________________________
#BE BRAINLY
Anonymous:
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ok
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